correspondent, jim avila, has been on this story from the beginning. jim, if nothing else, they think they've solved the problem this time. >> reporter: good morning, josh. two important things for american passengers to note this morning. first of all, american says, they have, indeed, found the cause. and are now retrofitting all of those 757s with an additional lock, a bolt, that will bolt the seats to the floor and make sure they don't slip around anymore. three of them did in three, separate flights during the week in the last few days. one of them, even flipping the seats back into the row behind them. the second important thing to note, as you say, this will mean lots of delays and cancellations. in fact, nearly 100 cancellations the last 2 days. they'll continue through saturday, maybe into sunday. and then, though, american airlines says, the good news is, it will all be fixed and things will get back to normal. josh? >> that's very good news, indeed. jim avila, thank you for that. >>> investigators now say it's possible that the border patrol agent killed on duty near the arizona
